// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "content/test/fileapi_test_file_set.h"

#include <stdint.h>

#include <limits>
#include <string>

#include "base/files/file.h"
#include "base/files/file_util.h"
#include "base/logging.h"
#include "base/macros.h"
#include "base/rand_util.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace content {

const FileSystemTestCaseRecord kRegularFileSystemTestCases[] = {
    { true, FILE_PATH_LITERAL("dir a"), 0 },
    { true, FILE_PATH_LITERAL("dir a/dir A"), 0 },
    { true, FILE_PATH_LITERAL("dir a/dir d"), 0 },
    { true, FILE_PATH_LITERAL("dir a/dir d/dir e"), 0 },
    { true, FILE_PATH_LITERAL("dir a/dir d/dir e/dir f"), 0 },
    { true, FILE_PATH_LITERAL("dir a/dir d/dir e/dir g"), 0 },
    { true, FILE_PATH_LITERAL("dir a/dir d/dir e/dir h"), 0 },
    { true, FILE_PATH_LITERAL("dir b"), 0 },
    { true, FILE_PATH_LITERAL("dir b/dir a"), 0 },
    { true, FILE_PATH_LITERAL("dir c"), 0 },
    { false, FILE_PATH_LITERAL("file 0"), 38 },
    { false, FILE_PATH_LITERAL("file 2"), 60 },
    { false, FILE_PATH_LITERAL("file 3"), 0 },
    { false, FILE_PATH_LITERAL("dir a/file 0"), 39 },
    { false, FILE_PATH_LITERAL("dir a/dir d/dir e/dir g/file 0"), 40 },
    { false, FILE_PATH_LITERAL("dir a/dir d/dir e/dir g/file 1"), 41 },
    { false, FILE_PATH_LITERAL("dir a/dir d/dir e/dir g/file 2"), 42 },
    { false, FILE_PATH_LITERAL("dir a/dir d/dir e/dir g/file 3"), 50 },
};

const size_t kRegularFileSystemTestCaseSize = arraysize(kRegularFileSystemTestCases);

void SetUpOneFileSystemTestCase(const base::FilePath& root_path,
    const FileSystemTestCaseRecord& test_case)
{
    base::FilePath path = root_path.Append(test_case.path);
    if (test_case.is_directory) {
        ASSERT_TRUE(base::CreateDirectory(path));
        return;
    }
    base::File file(path,
        base::File::FLAG_CREATE_ALWAYS | base::File::FLAG_WRITE);
    ASSERT_TRUE(file.IsValid());
    if (test_case.data_file_size) {
        std::string content = base::RandBytesAsString(test_case.data_file_size);
        EXPECT_LE(test_case.data_file_size, std::numeric_limits<int32_t>::max());
        ASSERT_EQ(static_cast<int>(content.size()),
            file.Write(0, content.data(), static_cast<int>(content.size())));
    }
}

void SetUpRegularFileSystemTestCases(const base::FilePath& root_path)
{
    for (size_t i = 0; i < arraysize(kRegularFileSystemTestCases); ++i) {
        SCOPED_TRACE(testing::Message() << "Creating kRegularTestCases " << i);
        SetUpOneFileSystemTestCase(root_path, kRegularFileSystemTestCases[i]);
    }
}

} // namespace content
